CN101295595B - Key - Google Patents

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Publication number
CN101295595B
CN101295595B CN 200710200514 CN200710200514A CN101295595B CN 101295595 B CN101295595 B CN 101295595B CN 200710200514 CN200710200514 CN 200710200514 CN 200710200514 A CN200710200514 A CN 200710200514A CN 101295595 B CN101295595 B CN 101295595B
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CN
China
Prior art keywords
locking groove
pressing body
key
surface
upper surface
Prior art date
Application number
CN 200710200514
Other languages
Chinese (zh)
Other versions
CN101295595A (en
Inventor
于百达
杨永川
林好转
赵强
边小社
陈务光
Original Assignee
鸿富锦精密工业(深圳)有限公司
鸿海精密工业股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 鸿富锦精密工业(深圳)有限公司, 鸿海精密工业股份有限公司 filed Critical 鸿富锦精密工业(深圳)有限公司
Priority to CN 200710200514 priority Critical patent/CN101295595B/en
Publication of CN101295595A publication Critical patent/CN101295595A/en
Application granted granted Critical
Publication of CN101295595B publication Critical patent/CN101295595B/en

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/12Movable parts; Contacts mounted thereon
    • H01H13/14Operating parts, e.g. push-button
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00Manufacturing
    • H01H2229/044Injection moulding
    • H01H2229/048Insertion moulding
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00Applications
    • H01H2231/022Telephone handset
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00Miscellaneous
    • H01H2239/038Anti-vandalism

Abstract

The invention provides a push button, which comprises a pressing body. The pressing body comprises an upper surface, a bottom surface arranged opposite to the upper surface, and a side surface arranged between the upper surface and the bottom surface. The pressing body is made of a ceramic material. The push button is provided with a connecting portion integrally formed with the pressing body. The pressing body is provided with a locking groove and the locking groove arranged on the side surface is V-shaped. The V-shaped locking groove is provided with two mutually connected side walls, wherein one side wall is connected with the bottom surface and the other side wall is connected with the side surface. The two side walls of the locking groove are positioned at an included angle of 50 degrees to 70 degrees with respect to each other. The connecting portion is at least partially embedded inside the locking groove through injection molding. The push button has the advantages of high anti-scuffing performance and wear resistance.

Description

按键技术领域 Key technology areas

[0001] 本发明涉及一种按键,特别是一种电子产品用的按键。 [0001] The present invention relates to a key, in particular products with an electronic key.

背景技术 Background technique

[0002] 随着电子产品的快速发展,便携式电子产品(如移动电话、MP3播放器、MP4播放器、个人数位助理、笔记本电脑等)的使用已非常普遍。 [0002] With the rapid development of electronic products, the use of portable electronic products (such as mobile phones, MP3 players, MP4 players, personal digital assistants, laptop computers, etc.) have been very common. 而一般作为便携式电子产品控制件的按键则是便携式电子产品不可或缺的构件。 As the general control keys of the portable electronic device is a portable electronic products indispensable member.

[0003] 按键通常是由塑料材料制成,这主要有如下两点原因:其一是塑料一般具有较低的熔点,较好的流动性,而易于加工出各种结构;其二是在制成的产品中易于在该产品表面形成各种颜色层,满足产品外观的需求。 [0003] button is usually made of plastic material, which mainly has the following two reasons: one is a general plastic having a low melting point, good fluidity, and is easy to process a variety of structures; the other is made in easily formed into products of various colors layer on the surface of the product, to meet the demand of product appearance.

[0004] 但是塑料材料制成的按键的表面硬度不足,容易变形、刮伤与磨损,因此会影响便携式电子产品的外观。 [0004] However, insufficient surface hardness of a material made of plastic keys, easily deformed, scratching and wear, and therefore affect the appearance of portable electronic products. 为解决按键容易变形、刮伤与磨损的问题,现有技术有采用金属材料代替塑料材料来制备按键,以增强按键的表面硬度。 In order to solve the key easily deformed, scratching and wear problems, the prior art has employed materials prepared keypad metal instead of plastic material to enhance the surface hardness of the keys.

[0005] 然而,尽管金属材料通常具有比塑料材料更高的表面硬度,但是按键作为便携式电子产品中最经常被触摸的构件,在一段时间使用后,按键的表面仍容易被刮伤、磨损,且金属材料长期使用后易被氧化、褪色等,因此金属材料按键仍会影响便携式电子产品的外观。 [0005] However, although generally a metallic material having a higher surface hardness than the plastic material, but a portable electronic key most frequently touched member, after a period of use, the surface of the key is still easily scratched, worn, and the metal material after long use susceptible to oxidation, discoloration, etc., so the metal material will affect the appearance of buttons of portable electronic products.

发明内容 SUMMARY

[0006] 鉴于上述内容,有必要提供一种耐刮伤、耐磨损的按键。 [0006] In view of the above, it is necessary to provide a scratch-resistant, wear-resistant keys.

[0007] —种按键,其包括按压本体,按压本体包括上表面、与上表面相对的底面及处于该上表面与底面之间的侧面。 [0007] - seed key, which includes a pressing body, the pressing body includes an upper surface, a bottom surface opposite the upper surface and the side surface is between the upper and bottom surfaces. 该按压本体的材质为陶瓷材料,且该按键在该按压本体上还一体成型有一个连接部,该按压本体包括一个锁合槽,该锁合槽开设于该侧面,该锁合槽为V形,该V形锁合槽具有两个相互连接的壁面,其中一个壁面与该底面相连,另一个壁面与该侧面垂直相连,该锁合槽的两个壁面所形成的夹角为50度至70度,该连接部通过射出成型至少部分嵌设于该锁合槽。 The material of the pressing body is a ceramic material, and the key on the pressing body is also integrally formed with a connection portion, the pressing body includes a locking groove, the locking grooves are formed in the side surface of the locking groove is a V-shaped the V-shaped locking groove having two interconnected wall surfaces, wherein a wall surface and the bottom surface is connected, is connected to another wall perpendicular to the side surface, the angle between the two wall surfaces of the locking groove is formed is 50 to 70 degrees of the connecting portion by injection molding is at least partially embedded in the locking groove.

[0008] 上述按键包括按压本体,按压本体是由陶瓷材料制成,陶瓷材料具有高的表面硬度,因此按键具有强的耐刮伤、耐磨损性能,而可避免按键在使用时被刮伤。 [0008] The button includes a pressing body, the pressing body is made of a ceramic material, a ceramic material having a high surface hardness, and therefore have a strong key scratch resistance, wear resistance, and can prevent the key from being scratched when in use .

附图说明 BRIEF DESCRIPTION

[0009] 图I是本发明较佳实施例一的按键立体分解图。 [0009] Figure I is a diagram of a preferred embodiment of the present invention, an exploded perspective view of the key of FIG.

[0010] 图2是图I所示按键的剖面图。 [0010] FIG. 2 is a cross-sectional view of the key shown in FIG. I.

[0011] 图3是本发明较佳实施例二的按键的剖面图。 [0011] FIG. 3 is a sectional view of the key according to a second preferred embodiment of the present invention.

具体实施方式 Detailed ways

[0012] 下面将结合附图及实施例对按键做进一步详细说明。 [0012] The accompanying drawings and the following embodiments described in further detail button. [0013] 请参见图I与图2,所示为本发明较佳实施例一的按键10,其可用于便携式电子装置。 [0013] Referring to FIG. I and 2, the preferred embodiment of the present invention is shown a key 10, which can be used in a portable electronic device. 按键10包括一个按压本体12与一个位于按压本体12底部一体成型而成的连接部14。 Pressing a key 10 comprises a body 12 with a bottom portion located in the pressing body 12 is connected integrally molded 14. 按压本体12的材质为陶瓷材料,例如氧化锆(ZrO2)与氧化铝(Al2O3)。 The main body 12 is made of a ceramic material, such as zirconia (ZrO2) and aluminum oxide (Al2O3). 为便于加工,按压本体12结构一般可设计得较为简单,具体是根据其所适用的产品确定。 To facilitate processing, the general structure of the pressing body 12 may be designed to be relatively simple, particularly it is determined according to the applicable product. 连接部14的材质可为塑料材料或金属材料。 Material connecting portion 14 may be a plastic or metal material.

[0014] 本实施例中,按压本体12包括用于与外界相接触的上表面122、与上表面122相对的底面124、与上表面122相连的侧面126及位于底面124与侧面126连接处的锁合槽128。 [0014] In this embodiment, the pressing body 12 includes an upper surface 122 in contact with the outside, opposite the upper surface 122 and bottom surface 124, side surface 122 coupled to upper surface 126 and the bottom surface 124 positioned to the side surface 126 of the connector locking slot 128. 上表面122与底面124为圆形平面,侧面126为圆柱面,锁合槽128的头尾相接形成一个闭合圆环,即其沿侧面126的周向延伸一周。 Upper surface 122 and a circular flat bottom surface 124, side surface 126 is a cylindrical surface, head and tail of the locking groove 128 is formed in contact with a closed ring, i.e., circumferentially extending along the side surface 126 of one week. 锁合槽128为V形,其具有两个壁面1282、1284,其中一个壁面1282与底面124相连,另一个壁面1284与侧面126垂直相连且与底面124相平行,锁合槽128的两个壁面1282、1284所形成的夹角Θ可为50度至70度。 Locking groove 128 is V-shaped with two wall surfaces 1282,1284, wherein one wall is connected to the bottom surface 1282124, 1284 is connected to the other side surface wall 126 perpendicular to the bottom surface 124 parallel to the two wall surfaces of the locking groove 128 an angle Θ 1282,1284 may be formed by 50 to 70 degrees. 连接部14 一体成型填充于锁合槽128内。 Integrally molded connecting portions 14 is filled in the locking groove 128. 连接部14可为结构较复杂的按键构件,例如作为将按压本体12与便携式电子装置壳体相固定的机构。 The connecting portion 14 may be a more complex structure of the key member, such as a pressing body 12 is fixed to the housing of the portable electronic device means.

[0015] 制备过程中,可先经过干压成型、研磨、表面处理抛光等步骤形成按压本体12 ;然后将按压本体12嵌入到成型模具中,在按压本体12上射出成型形成连接部14。 [0015] preparation process may go through dry pressing, grinding, polishing and other surface processing steps of the pressing body 12 is formed; insert body 12 is then pressed into the molding die, injection molding the connecting portion 14 is formed on the pressing body 12. 可以理解,射出成型时连接部14可以部分或全部嵌设于按压本体12的锁合槽128上。 It will be appreciated, the connecting portion 14 during injection molding can be partially or fully embedded in the locking groove 128 of the body 12 is pressed.

[0016] 由于按键10的按压本体12是由陶瓷材料制成,陶瓷材料一般具有高的表面硬度,因此按键10具有强的耐刮伤、耐磨损性能。 [0016] Since the pressing body 12 of the key 10 is made of a ceramic material, a ceramic material typically has a high surface hardness, and therefore the key 10 has strong resistance to scratches, abrasion resistance. 且通过改变陶瓷材料的成分,可使陶瓷材料具有不同的表观颜色(如红色、黄色、绿色、蓝色、黑色、灰色、白色及半透明等),加上陶瓷材料具有强的保色性,因此容易使按压本体12的外观得到改善(如呈现珠宝光泽),从而使按键10与便携式电子装置的整体外观相协调,提升便携式电子装置的美感。 And have different apparent color (e.g., red, yellow, green, blue, black, gray, white, and translucent, etc.) by changing the composition of the ceramic material, the ceramic material can, together with a ceramic material having a strong color retention , it is easy to make the appearance of the pressing body 12 is improved (e.g., jewelry presented gloss), so that the overall appearance of the key 10 and the portable electronic device is coordinated to enhance the beauty of a portable electronic device.

[0017] 此外,上述按键10中,由于连接部14通过射出成型至少部分嵌设于按压本体12的锁合槽128上,使得连接部14可成为一个封闭的环形结构与按压本体12相锁合,因此按压本体12与连接部14之间具有较高的连接强度。 [0017] Further, in the above-described key 10, since the connecting portion 14 by injection molding is at least partially embedded in the locking groove 128 presses the body 12, so that the connecting portion 14 may be a closed annular structure and the pressing body 12 to lock thus pressing between the connecting portion 12 and the body 14 having a high connection strength. 且由于连接部14是采用射出成型的方法成型于按压本体12,射出成型的方法易于制备结构复杂的机构,因此还可将结构较为复杂的机构设置于连接部14,而简化按压本体12的结构,从而提升按键10的制备效率。 And since the connecting portion 14 is molded using the injection molding method of the pressing body 12 of the injection molding method of readily preparing a complex structure means, thus also the structure is more complicated mechanism is provided in the connecting portions 14, 12 and simplifying the structure of the pressing body , so as to enhance the efficiency of the key 10 is prepared.

[0018] 请参见图3,所示为本发明较佳实施例二的按键20。 [0018] Referring to FIG. 3, the key 20 according to the second preferred embodiment of the present invention is shown. 按键20包括按压本体22与连接部24。 The main body 20 includes a button 22 and the connecting portion 24. 按压本体22包括上表面222、底面224、侧面226及锁合槽228。 The main body 22 includes an upper surface 222, bottom surface 224, side surfaces 226 and the locking groove 228. 其中按压本体22的上表面222为一个圆弧凹面。 Wherein the upper surface 22 of the pressing body 222 is a concave arc. 按压本体22的上表面222为一个圆弧凹面,其可使按压按键20的过程会更为舒适。 The main body 222 of the upper surface 22 is a concave circular arc, which enables the pressing button 20 will process more comfortable. 当然上表面222还可为凸面。 Of course, the upper surface 222 may be convex.

[0019] 可以理解,在上述按键10、20中,当锁合槽128、228的壁面为粗糙面或在锁合槽128、228内开设有另外的凹槽,还可使按压本体12、22与连接部14、24之间的连接强度进一步增强。 [0019] It will be appreciated, the keys 10 and 20 in the above, when the wall surface of the locking groove 128, 228 is a rough surface or the further recesses 128, 228 in the open locking groove, the pressing body 12, 22 may connection strength between the connecting portions 14, 24 with further enhanced. 锁合槽128、228所形成环形还可以不闭合但配以粗糙的壁面,当然,锁合槽128、228也可以只设成不闭合的环形以满足当按压本体12、22与连接部14、24所需的特殊结构而结合力较小时的情况。 Locking grooves 128, 228 formed in a closed loop, but also may not be supported by the rough wall surface, of course, locking grooves 128, 228 may be provided so as not only to satisfy the closed loop when the pressing body 14 and the connecting portion 12, 22, special structure required and the case 24 when the binding force is small. 锁合槽128、228也可直接开设于按压本体12、22的侧面126、226上或底面124、224上,而不仅限于按压本体12、22的侧面126、226与底面124、224的连接处。 Locking grooves 128, 228 may be directly 126,226 defines on the side 12, 22 on the pressing body or the bottom surface 124, 224, and 126, 226 is not limited to the connection side surface and the bottom surface of the pressing body 12, 22 124, 224 .

[0020] 此外,可以理解,为配合便携式电子产品整体外观,上述按键的按压本体的还可为俯视图为圆形外的其他形状,例如椭圆形或多边形。 [0020] Further, it is understood, as with the overall appearance of portable electronic products, pressing the key body may also be another shape in plan view the outer circular, for example oval or polygonal. 按键还可用于便携式电子产品的其他电子产品,如计算机。 Keys can also be used in other portable electronic products, electronic products, such as computers.

Claims (6)

1. 一种按键,其包括按压本体,按压本体包括上表面、与上表面相对的底面及处于该上表面与底面之间的侧面,其特征在于:该按压本体的材质为陶瓷材料,且该按键在该按压本体上还一体成型有一个连接部,该按压本体包括一个锁合槽,该锁合槽开设于该侧面,该锁合槽为V形,该V形锁合槽具有两个相互连接的壁面,其中一个壁面与该底面相连,另一个壁面与该侧面垂直相连,该锁合槽的两个壁面所形成的夹角为50度至70度,该连接部通过射出成型至少部分嵌设于该锁合槽。 A key, which includes a pressing body, the pressing body includes an upper surface, a bottom surface opposite the upper surface and the side surface is between the upper and bottom surfaces, wherein: the material of the pressing body is a ceramic material, and the pressing keys on the main body further has a connecting portion integrally formed, the pressing body includes a locking groove, the locking grooves are formed in the side surface of the locking groove is V-shaped, the V-shaped locking groove having two mutually connection wall, wherein the bottom surface is connected to a wall, the wall is connected to the other side surface perpendicular to the angle between the two wall surfaces of the locking groove is formed is 50 to 70 degrees, the connecting part at least partially embedded by injection molding disposed in the locking groove.
2.如权利要求I所述的按键,其特征在于:该陶瓷材料为氧化锆与氧化铝之一。 Key I according to claim 2, wherein: the ceramic material is zirconium oxide with one of alumina.
3.如权利要求I所述的按键,其特征在于:该连接部的材质为塑料材料与金属材料之O 3. The key according to claim I, wherein: the connecting portion is made of plastic material and the metal O materials
4.如权利要求I所述的按键,其特征在于:该锁合槽的形状为头尾相接的闭环。 4. The key according to claim I, wherein: shape of the locking groove is closed loop end to end.
5.如权利要求I所述的按键,其特征在于:该按压本体的上表面为平面、凹面或凸面。 5. The key according to claim I, wherein: the upper surface of the pressing body is flat, concave or convex.
6.如权利要求I所述的按键,其特征在于:该按压本体的俯视图形状为圆形、椭圆形及多边形之一。 It said key I as claimed in claim, characterized in that: a plan view of the pressing body has a circular shape, an elliptical shape and a polygonal one.
CN 200710200514 2007-04-26 2007-04-26 Key CN101295595B (en)

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US11/964,732 US20080264767A1 (en) 2007-04-26 2007-12-27 Push buttons

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CN101295595B true CN101295595B (en) 2012-10-10

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